Here is the list of service providers offering DNS service free of charge:
ScrubIt:
67.138.54.100
207.225.209.66
OpenDNS:
208.67.222.222
208.67.220.220
208.67.220.222
208.67.222.220
And VIP DNS
by gtei.net:
4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5
4.2.2.6
These DNS server proved to be reliable and fast. Recommended!
Some additional OpenDNS nameserver addresses
http://www.opendns.com/support/article/197
Thanks for the link, John Roberts. I've added two additional servers to the post and corrected a typo thanks to your link :)
There is also http://www.censurfridns.dk both IPv4 and IPv6 resolvers without any censorship.
You can get local DNS server list via http://www.e-book.im/dns/fastest-free-public-dns-server-list.php
Switzerland
DNS with Blacklists (Malware Domains)
80.238.211.77
I will right away grab your rss as I can't find your e-mail subscription link or e-newsletter service. Do you have any? Please let me know so that I could subscribe. Thanks.